diff --git a/题库0.3/BasicKnowledge.json b/题库0.3/BasicKnowledge.json
index a69b7325..cbba2f83 100644
--- a/题库0.3/BasicKnowledge.json
+++ b/题库0.3/BasicKnowledge.json
@@ -1870,7 +1870,7 @@
         "objs": [
             "K0311002B"
         ],
-        "content": "辅助角公式: 已知$a,b$不全为$0$, 则$a \\sin \\alpha+b \\cos \\alpha=\\sin$\\blank{50}, 其中辅助角 $\\varphi$ 满足\n$\\cos \\varphi=$\\blank{50}, $\\sin \\varphi=$\\blank{50}."
+        "content": "辅助角公式: 已知$a,b$不全为$0$, 则$a \\sin \\alpha+b \\cos \\alpha=$\\blank{50}$\\sin$\\blank{50}, 其中辅助角 $\\varphi$ 满足\n$\\cos \\varphi=$\\blank{50}, $\\sin \\varphi=$\\blank{50}."
     },
     "B00259": {
         "lesson": "K0312",
@@ -1899,7 +1899,7 @@
         "objs": [
             "K0312003B"
         ],
-        "content": "常用降次公式:\\\\\n(1) $\\sin ^2 \\alpha= \\cos ^2 \\alpha=$\\blank{50};\\\\\n(2) $(\\sin \\alpha \\pm \\cos \\alpha)^2=$\\blank{50}."
+        "content": "常用降次公式:\\\\\n(1) $\\sin ^2 \\alpha=$\\blank{50}, $\\cos ^2 \\alpha=$\\blank{50};\\\\\n(2) $(\\sin \\alpha \\pm \\cos \\alpha)^2=$\\blank{50}."
     },
     "B00263": {
         "lesson": "K0313",